AMG race center box, i bought this thinkin it was a cherry bomb exhaust, i hade this fitted to my mk1 modeo few years back gave loads of midrange power only had standard back box on too,
but yeah gives loads of midrange power kept it when sold the car to put on next on but car had a full decat system on it so dint bother,
will give it a clean has been sittin in cubord for year or so,
good performance upgrade give more power then a straigh thro cenction,